Presque Isle, ME 04768 Frost Dates
When can you plant in Presque Isle, ME?
Around 05/07 is the usual last spring frost, about 252 days away. The first fall frost typically arrives around 10/01, about 143 frost-free days later.
The USDA Plant Hardiness Zone Map puts Presque Isle in Zone 4a (-30 to -25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 5 weeks of growing season left in Presque Isle before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Presque Isle compares
Presque Isle's growing season runs about 143 days, ranking 36,512 of 40,283 US ZIP codes measured here, longest to shortest. Within ME, it ranks 347 of 456.
Learn more
local microclimates covers what one yard in Presque Isle can differ from the 04768 normal. zone vs. frost date covers why Zone 4a and Presque Isle's frost date answer different questions.